package com.fxp.project.jiuselu.web.models.order.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.fxp.project.jiuselu.web.models.order.entity.JslUserBalance;

import java.math.BigDecimal;

public interface JslUserBalanceMapper extends BaseMapper<JslUserBalance> {

    BigDecimal selectMaxBalanceByUserId(Long userId);

}
